public function headerCallback($ch, $header)
{
if (preg_match('/^Set-Cookie:\\s*([^=]+)=([^;]+)/mi', $header, $cookie) === 1) {
$this->responseCookies[$cookie[1]] = trim($cookie[2], " \n\r\t\v");
}
$this->rawResponseHeaders .= $header;
return strlen($header);
}